The Flange,pipe, cataloged under National Stock Number 4730-01-159-4172, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Leslie Controls, Inc. Dba Leslie Controls Inc. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-159-4172 |
| Primary Part Number | 2620-926-10PIECE 2-5IN |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Leslie Controls, Inc. Dba Leslie Controls Inc |
| Status | ACTIVE |
| Socket Diameter | 5.567 INCHES NOMINAL IN |
| Flange Diameter | 11.062 INCHES NOMINAL IN |
| Face Seating Surface Condition | MACHINED |
| Flange Section Style | PLAIN FACE, SOCKET BRAZING NECK |
| Style Designator | ROUND, ONE BOLT HOLE CIRCLE |
| Bolt Hole Diameter | 0.812 INCHES NOMINAL IN |
| Neck Height | 1.813 INCHES NOMINAL IN |
| Material Document and Classification | MIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE |
| Reducer Flange Hole Type | CONCENTRIC |
| Bolt Hole Quantity | 8 |
| Bolt Circle Diameter | 9.750 INCHES NOMINAL IN |
| Bore Diameter | 4.312 INCHES NOMINAL IN |
| Material | COPPER |
| Thickness | 1.312 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2620-926-10PIECE 2-5IN PRIMARY | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| 2620-926-10 PIE | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 2620-926-10PIECE 2-5IN | 5/9 Secondary reference U.S. Government activity |
| SS845-2110229 PIECE 2-5IN | 5/2 Secondary reference U.S. Government activity |
| 2620-926-10PIECE 2-5IN | 5/9 Secondary reference Circor Intl Inc |
NSN 4730-01-159-4172 is a Flange,pipe, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-159-4172 has 1 manufacturer part number on file: 2620-926-10PIECE 2-5IN (Leslie Controls, Inc. Dba Leslie Controls Inc).
Key specifications for 2620-926-10PIECE 2-5IN: Socket Diameter: 5.567 INCHES NOMINAL IN; Flange Diameter: 11.062 INCHES NOMINAL IN; Face Seating Surface Condition: MACHINED; Flange Section Style: PLAIN FACE, SOCKET BRAZING NECK. 14 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.